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Don't write LFN entries for "." and ".." #39

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Don't write LFN entries for "." and ".." #39

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11 changes: 9 additions & 2 deletions embedded-fatfs/src/dir.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -656,8 +656,15 @@ impl<'a, IO: ReadWriteSeek, TP: TimeProvider, OCC: OemCpConverter> Dir<'a, IO, T
validate_long_name(name)?;
// convert long name to UTF-16
let lfn_utf16 = Self::encode_lfn_utf16(name);
// write LFN entries
let (mut stream, start_pos) = self.alloc_and_write_lfn_entries(&lfn_utf16, raw_entry.name()).await?;
let (mut stream, start_pos) = if name == "." || name == ".." {
// skip LFN entries for "." and ".." and only find space 1 SFN entry
let mut stream = self.find_free_entries(1).await?;
let start_pos = stream.seek(io::SeekFrom::Current(0)).await?;
(stream, start_pos)
} else {
// write LFN entries
self.alloc_and_write_lfn_entries(&lfn_utf16, raw_entry.name()).await?
};
// write short name entry
raw_entry.serialize(&mut stream).await?;
// Get position directory stream after entries were written
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